DTC P2729 Chevrolet

Description

The HV ECU and electric compressor transmit information to one another via a communication line. Compressor control is stopped and the DTC is output if communication information is cut off or abnormal information occurs. The DTC is also detected if high-voltage power supplied from the MG ECU to the compressor control circuit is shut off. The output DTC is memorized as current trouble. After READY and A C ON Communication line error or open between the HV ECU and the electric compressor. High-voltage power source is shut off.